Mother: Bob is sure tonigh. Father: Don't be so sure it. A. to come ; about B.to
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Mother: Bob is sure ___ tonigh.
Father: Don't be so sure ___ it.
A. to come ; about B.to come; of C. will come; for D. coming; with
试题答案
B
解析:
be sure to do sth. 一定, 必然; be sure of/ about…确信, 有把握.